| Microstructure and chemical analysis of blood-contaminated mineral trioxide aggregate. | |
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MedLine Citation:
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PMID: 21718336 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Nekoofar MH, Davies TE, Stone D, Basturk FB, Dummer PMH. Microstructure and chemical analysis of blood-contaminated MTA. International Endodontic Journal. ABSTRACT: Aim To test the hypothesis that blood contamination has a detrimental effect on the chemical properties of Mineral trioxide aggregate (MTA). Methodology The effects of whole, fresh human blood on the microstructure and elemental chemistry of MTA were evaluated using scanning electron microscopy and energy-dispersive X-ray analysis, respectively. The phase compositions of contaminated and uncontaminated MTA were also analysed using X-ray diffraction analysis. Results The hydration state of specimens partially mixed with blood were more complete than those mixed entirely with blood and less than those entirely mixed with water. Acicular crystals, characteristic of ettringite, were abundant in specimens mixed entirely with water and absent from specimens mixed partially or entirely with blood. Calcium hydroxide crystals were absent in specimens contaminated entirely with blood and the unhydrated MTA powder, but present in the other groups. Conclusion Mixing MTA with blood resulted in the lack of formation of the crystalline calcium hydroxide in the early stage of the hydration process. |
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Authors:
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M H Nekoofar; T E Davies; D Stone; F B Basturk; P M H Dummer |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-6-30 |
Journal Detail:
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Title: International endodontic journal Volume: - ISSN: 1365-2591 ISO Abbreviation: - Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-7-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8004996 Medline TA: Int Endod J Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011 International Endodontic Journal. |
Affiliation:
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Endodontology Research Group, School of Dentistry, Cardiff University, Cardiff, UK Faculty of Dentistry, Department of Endodontics, Tehran University of Medical Sciences, Tehran, Iran School of Chemistry, Cardiff University, Cardiff, UK Faculty of Dentistry, Department of Conservative Dentistry and Endodontology, Marmara University, Istanbul, Turkey. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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